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Add 7.3f driver for C #40

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271 changes: 271 additions & 0 deletions c/lib/e-Paper/EPD_7in3f.c
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/*****************************************************************************
* | File : EPD_7in3f.c
* | Author : Waveshare team, Ned
* | Function : Electronic paper driver
* | Info :
*----------------
* | This version: V1.0
* | Date : 2025-03-22
* | Info :
* -----------------------------------------------------------------------------
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_7in3f.h"

/******************************************************************************
function : Software reset
parameter:
******************************************************************************/
static void EPD_7IN3F_Reset(void)
{
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(200);
DEV_Digital_Write(EPD_RST_PIN, 0);
DEV_Delay_ms(2);
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(200);
}

/******************************************************************************
function : send command
parameter:
Reg : Command register
******************************************************************************/
static void EPD_7IN3F_SendCommand(UBYTE Reg)
{
DEV_Digital_Write(EPD_DC_PIN, 0);
DEV_Digital_Write(EPD_CS_PIN, 0);
DEV_SPI_WriteByte(Reg);
DEV_Digital_Write(EPD_CS_PIN, 1);
}

/******************************************************************************
function : send data
parameter:
Data : Write data
******************************************************************************/
static void EPD_7IN3F_SendData(UBYTE Data)
{
DEV_Digital_Write(EPD_DC_PIN, 1);
DEV_Digital_Write(EPD_CS_PIN, 0);
DEV_SPI_WriteByte(Data);
DEV_Digital_Write(EPD_CS_PIN, 1);
}


static void EPD_7IN3F_BusyHigh(void)// If BUSYN=0 then waiting
{
while(!(DEV_Digital_Read(EPD_BUSY_PIN)));
}

static void EPD_7IN3F_BusyLow(void)// If BUSYN=1 then waiting
{
while(DEV_Digital_Read(EPD_BUSY_PIN));
}

/******************************************************************************
function : Initialize the e-Paper register
parameter:
******************************************************************************/
void EPD_7IN3F_Init(void)
{
EPD_7IN3F_Reset();
EPD_7IN3F_BusyHigh();
EPD_7IN3F_SendCommand(0xAA); // CMDH
EPD_7IN3F_SendData(0x49);
EPD_7IN3F_SendData(0x55);
EPD_7IN3F_SendData(0x20);
EPD_7IN3F_SendData(0x08);
EPD_7IN3F_SendData(0x09);
EPD_7IN3F_SendData(0x18);

EPD_7IN3F_SendCommand(0x01);
EPD_7IN3F_SendData(0x3F);
EPD_7IN3F_SendData(0x00);
EPD_7IN3F_SendData(0x32);
EPD_7IN3F_SendData(0x2A);
EPD_7IN3F_SendData(0x0E);
EPD_7IN3F_SendData(0x2A);

EPD_7IN3F_SendCommand(0x00);
EPD_7IN3F_SendData(0x5F);
EPD_7IN3F_SendData(0x69);

EPD_7IN3F_SendCommand(0x03);
EPD_7IN3F_SendData(0x00);
EPD_7IN3F_SendData(0x54);
EPD_7IN3F_SendData(0x00);
EPD_7IN3F_SendData(0x44);

EPD_7IN3F_SendCommand(0x05);
EPD_7IN3F_SendData(0x40);
EPD_7IN3F_SendData(0x1F);
EPD_7IN3F_SendData(0x1F);
EPD_7IN3F_SendData(0x2C);

EPD_7IN3F_SendCommand(0x06);
EPD_7IN3F_SendData(0x6F);
EPD_7IN3F_SendData(0x1F);
EPD_7IN3F_SendData(0x1F);
EPD_7IN3F_SendData(0x22);

EPD_7IN3F_SendCommand(0x08);
EPD_7IN3F_SendData(0x6F);
EPD_7IN3F_SendData(0x1F);
EPD_7IN3F_SendData(0x1F);
EPD_7IN3F_SendData(0x22);

EPD_7IN3F_SendCommand(0x13); // IPC
EPD_7IN3F_SendData(0x00);
EPD_7IN3F_SendData(0x04);

EPD_7IN3F_SendCommand(0x30);
EPD_7IN3F_SendData(0x3C);

EPD_7IN3F_SendCommand(0x41); // TSE
EPD_7IN3F_SendData(0x00);

EPD_7IN3F_SendCommand(0x50);
EPD_7IN3F_SendData(0x3F);

EPD_7IN3F_SendCommand(0x60);
EPD_7IN3F_SendData(0x02);
EPD_7IN3F_SendData(0x00);

EPD_7IN3F_SendCommand(0x61);
EPD_7IN3F_SendData(0x03);
EPD_7IN3F_SendData(0x20);
EPD_7IN3F_SendData(0x01);
EPD_7IN3F_SendData(0xE0);

EPD_7IN3F_SendCommand(0x82);
EPD_7IN3F_SendData(0x1E);

EPD_7IN3F_SendCommand(0x84);
EPD_7IN3F_SendData(0x00);

EPD_7IN3F_SendCommand(0x86); // AGID
EPD_7IN3F_SendData(0x00);

EPD_7IN3F_SendCommand(0xE3);
EPD_7IN3F_SendData(0x2F);

EPD_7IN3F_SendCommand(0xE0); // CCSET
EPD_7IN3F_SendData(0x00);

EPD_7IN3F_SendCommand(0xE6); // TSSET
EPD_7IN3F_SendData(0x00);

DEV_Delay_ms(100);
}

/******************************************************************************
function : Clear screen
parameter:
******************************************************************************/
void EPD_7IN3F_Clear(UBYTE color)
{
EPD_7IN3F_SendCommand(0x10);

for(int i=0; i<EPD_7IN3F_WIDTH/2; i++) {
for(int j=0; j<EPD_7IN3F_HEIGHT; j++) {
EPD_7IN3F_SendData((color<<4)|color);
}
}

EPD_7IN3F_TurnOnDisplay();

DEV_Delay_ms(500);
}

/******************************************************************************
function : Sends the image buffer in RAM to e-Paper and displays
parameter:
******************************************************************************/
void EPD_7IN3F_Display(const UBYTE *image)
{
unsigned long i,j;

EPD_7IN3F_SendCommand(0x10);

for(i=0; i<EPD_7IN3F_HEIGHT; i++) {
for(j=0; j<EPD_7IN3F_WIDTH/2; j++) {
EPD_7IN3F_SendData(image[j + EPD_7IN3F_WIDTH/2*i]);
}
}

EPD_7IN3F_TurnOnDisplay();

DEV_Delay_ms(500);
}

/******************************************************************************
function : Sends the part image buffer in RAM to e-Paper and displays
parameter:
******************************************************************************/
void EPD_7IN3F_Display_part(const UBYTE *image, UWORD xstart, UWORD ystart,
UWORD image_width, UWORD image_heigh)
{
unsigned long i,j;

EPD_7IN3F_SendCommand(0x10);

for(i=0; i<EPD_7IN3F_HEIGHT; i++) {
for(j=0; j< EPD_7IN3F_WIDTH/2; j++) {
if(i<image_heigh+ystart && i>=ystart && j<(image_width+xstart)/2 && j>=xstart/2) {
EPD_7IN3F_SendData(image[(j-xstart/2) + (image_width/2*(i-ystart))]);
} else {
EPD_7IN3F_SendData(0x11);
}
}
}

EPD_7IN3F_TurnOnDisplay();

DEV_Delay_ms(500);
}

/******************************************************************************
function : Enter sleep mode
parameter:
******************************************************************************/
void EPD_7IN3F_Sleep(void)
{
DEV_Delay_ms(100);
EPD_7IN3F_SendCommand(0x07);
EPD_7IN3F_SendData(0xA5);
DEV_Delay_ms(100);
DEV_Digital_Write(EPD_RST_PIN, 0); // Reset
}

void EPD_7IN3F_TurnOnDisplay(void)
{
EPD_7IN3F_SendCommand(0x04); // POWER_ON
EPD_7IN3F_BusyHigh();

EPD_7IN3F_SendCommand(0x12); // DISPLAY_REFRESH
EPD_7IN3F_SendData(0x00);
EPD_7IN3F_BusyHigh();

EPD_7IN3F_SendCommand(0x02); // POWER_OFF
EPD_7IN3F_SendData(0x00);
EPD_7IN3F_BusyHigh();
}
63 changes: 63 additions & 0 deletions c/lib/e-Paper/EPD_7in3f.h
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/*****************************************************************************
* | File : EPD_7in3f.h
* | Author : Waveshare team, Ned
* | Function : Electronic paper driver
* | Info :
*----------------
* | This version: V1.0
* | Date : 2025-03-22
* | Info :
* -----------------------------------------------------------------------------
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#ifndef __EPD_7IN3F_H__
#define __EPD_7IN3F_H__

#include "DEV_Config.h"

/**********************************
Color Index
**********************************/
#define EPD_7IN3F_BLACK 0x0 /// 000
#define EPD_7IN3F_WHITE 0x1 /// 001
#define EPD_7IN3F_GREEN 0x2 /// 010
#define EPD_7IN3F_BLUE 0x3 /// 011
#define EPD_7IN3F_RED 0x4 /// 100
#define EPD_7IN3F_YELLOW 0x5 /// 101
#define EPD_7IN3F_ORANGE 0x6 /// 110
#define EPD_7IN3F_CLEAN 0x7 /// 111 unavailable Afterimage

#define EPD_7IN3F_WIDTH 800
#define EPD_7IN3F_HEIGHT 480

#define KEY0 15
#define KEY1 17
#define KEY2 2


void EPD_7IN3F_Clear(UBYTE color);
void EPD_7IN3F_Sleep(void);
void EPD_7IN3F_Display(const UBYTE *image);
void EPD_7IN3F_Init(void);
void EPD_7IN3F_Display_part(const UBYTE *image, UWORD xstart, UWORD ystart, UWORD image_width, UWORD image_heigh);
void EPD_7IN3F_TurnOnDisplay(void);

#endif